* Identify invalid signature within batch verification (#11582)
* Fix issues found by linter
* Make deepsource happy
* Add signature description enums
* Make descriptions a mandatory field
* More readable error message of invalid signatures
* Add 'enable-verbose-sig-verification' option
* Fix format
* Move descriptions to package signing
* Add more validation and test cases
* Fix build failure
Co-authored-by: Nishant Das <nishdas93@gmail.com>